external reference

• 外部引用

external reference的用法和样例：

例句

1. Object to load any external references.
   对象加载任意外部引用。
2. It is an error to reference a type or a member with internal access outside the assembly within which it was defined.
   从定义具有内部访问能力的类型或成员的程序集外部引用该类型或成员是错误的。